I can only go to the basic websites like google, msn, yahoo, etc. If i attempt to go to an email website (aol, gmail) or my online banking websites, I get the message that the certificate for the site has expired or is not yet valid.
Keys to the Problem Certificate expired
Welcome to the Microsoft Answers community!
Check to make sure that your system time and date are set correctly.
If you system time is off and you are outside the issue/expiration date then you will be prompted with the messages you are receiving.
Another possibility is that you need to download that latest certificate package that is sent out by Windows Update.
If you aren’t current on the updates, download and install the latest to receive the updated certificate information.
Hope that helps, look forward to hearing back from you.
Microsoft Answers Support Engineer
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Using Windows troubleshooter:
- Click on Search on Charm bar and type Troubleshooting. Click on the very first option.
- A new window will open. Click View all from the left pane.
- Scroll down to the bottom and click on Windows update.
- Troubleshooter window for Windows update will pop up. Click on NEXT. It may ask you for administrative permission.
- The troubleshooter will automatically detect problems and fix it.
- Now, close this window and try download/install the app which was previously showing error.
Another Safe way to Repair the Problem: Certificate expired:
How to Fix Certificate expired with SmartPCFixer?
1. Click the button to download SmartPCFixer . Install it on your computer. Open it, and it will perform a scan for your computer. The junk files will be shown in the list.
2. After the scan is finished, you can see the errors and problems need to be fixed. Click Fix All.
3. The Fixing part is finished, the speed of your computer will be much higher than before and the errors have been removed.
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